mhdcommunications
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Why is one of my DNS servers logging Event ID 4521 every 3 minutes for the last 2 months or more?
I am having an authentication problem with a Windows 2000 machine (not server), and for whatever reason i looked at my primary DNS server. The DNS event log is full of Event ID 4521's that log every 3 minutes, and a few 3000 and 9999 (few and far between). My secondary DNS server, on the other hand, has no warnings at all. All i could find on this ID is to troubleshoot active directory. Anyone have any idea's? Log entry is below.
Event Type: Warning
Event Source: DNS
Event Category: None
Event ID: 4521
Date: 2/17/2009
Time: 9:52:39 AM
User: N/A
Computer: SERVER3
Description:
The DNS server encountered error 9002 attempting to load zone . from Active Directory. The DNS server will attempt to load this zone again on the next timeout cycle. This can be caused by high Active Directory load and may be a transient condition.
For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
Event Type: Warning
Event Source: DNS
Event Category: None
Event ID: 4521
Date: 2/17/2009
Time: 9:52:39 AM
User: N/A
Computer: SERVER3
Description:
The DNS server encountered error 9002 attempting to load zone . from Active Directory. The DNS server will attempt to load this zone again on the next timeout cycle. This can be caused by high Active Directory load and may be a transient condition.
For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
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